interpreter/preprocessor/faust-0.9.47mr3/architecture/osclib/faust/src/threads/TThreads.h

   1 /*
   2
   3   Copyright (C) 2011 Grame
   4
   5   This library is free software; you can redistribute it and/or
   6   modify it under the terms of the GNU Lesser General Public
   7   License as published by the Free Software Foundation; either
   8   version 2.1 of the License, or (at your option) any later version.
   9
  10   This library is distributed in the hope that it will be useful,
  11   but WITHOUT ANY WARRANTY; without even the implied warranty of
  12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13   Lesser General Public License for more details.
  14
  15   You should have received a copy of the GNU Lesser General Public
  16   License along with this library; if not, write to the Free Software
  17   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  18
  19   Grame Research Laboratory, 9 rue du Garet, 69001 Lyon - France
  20   research@grame.fr
  21
  22 */
  23
  24
  25 #ifndef __TThreads__
  26 #define __TThreads__
  27
  28 #ifdef WIN32
  29
  30         #include <windows.h>
  31         #define ThreadAPI(proc, arg)    DWORD  WINAPI proc (LPVOID arg)
  32
  33         typedef LPTHREAD_START_ROUTINE ThreadProcPtr;
  34         typedef HANDLE  ThreadHandle;
  35
  36 #else
  37
  38         #include <pthread.h>
  39         #define ThreadAPI(proc, arg)    void * proc (void * arg)
  40
  41         typedef void * ( * ThreadProcPtr) (void * ptr);
  42         typedef pthread_t       ThreadHandle;
  43
  44 #endif
  45
  46 //___________________________________________________________________
  47 /*!
  48         \brief cross platform threads support
  49
  50         Based on pthread on linux and mac and
  51         Windows native threads on Windows
  52 */
  53 class TThreads
  54 {
  55         public:
  56                 enum { kNormalPriority=0 };
  57
  58                          TThreads ();
  59         virtual ~TThreads ()    { quit (); }
  60
  61         virtual void    run() = 0;
  62
  63                 bool    start (int priority = kNormalPriority);
  64                 bool    isRunning () const              { return fRunning; }
  65                 void    quit();
  66
  67                 void    running (bool state)    { fRunning = state; }
  68
  69         private:
  70                 int             SetPriority (int priority);
  71
  72                 bool    fRunning;
  73                 ThreadHandle fThread;   // the thread handler
  74 };
  75
  76 #endif